Where: Montgomery County, Indiana (40.0° N, 86.9° W: paleocoordinates 17.2° S, 32.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Edwardsville Member (Muldraugh Formation), Chadian to Chadian (346.7 - 340.0 Ma)
• JA: the late Osagean is Chadian and Arundian according to Heckel and Clayton 2006
• bed-level stratigraphic resolution
Environment/lithology: delta front; lithified, shelly/skeletal limestone and siltstone
Collection methods: bulk, chemical, mechanical, sieve,
Primary reference: N. G. Lane, J. L. Matthews, E. G. Driscoll and E. L. Yochelson. 1973. Paleontology and paleoecology of the Crawfordsville fossil site (Upper Osagian: Indiana). University of California Publications in Geological Sciences 99:1-141 [J. Alroy/M. Sommers/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 8067: authorized by John Alroy, entered by Mike Sommers on 15.06.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhodophyceae | |
Foraminifera | |
Crinoidea | |
Synbathocrinus sp. Phillips 1836 Sea lily | |
Barycrinus hoveyi Sea lily
Barycrinus asteriscus Sea lily | |
Taxocrinus sp. Phillips 1843 Sea lily | |
Dichocrinus sp. Munster 1839 Sea lily | |
Eretmocrinus sp. Lyon and Casseday 1859 Sea lily
Dizygocrinus sp. Wachsmuth and Springer 1897 Sea lily | |
Actinocrinites sp. Miller 1821 Sea lily | |
Platycrinites sp. Miller 1821 Sea lily | |
Bivalvia | |
Aviculopecten sp. M'Coy 1851 scallop |